NPPES file of Aug 9, 2026

Giang Ngoc Lam, M.D.

Family Medicine Physician · Modesto, CA

Giang Ngoc Lam, M.D. is a family medicine physician with a practice address in Modesto, California, and NPI 1033198288, issued on Jan 15, 2006. Check the license (California A93687, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033198288
Name
Giang Ngoc Lam
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
A93687 CA
00026962 AL
ME96689 FL
056893 GA
227144 MA
Self-reported in NPPES; status is on the state search
Practice location
1541 Florida Ave, Modesto, CA 95350
Phone
(209) 577-3388
Enumerated
Jan 15, 2006
Record last updated
Aug 28, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(209) 523-0764
Medicare enrollment
Enrolled (PECOS I20110329000413); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 1541 Florida Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Humayun Abbas, MDInternal Medicine Physician1336136548
  2. Ricky Bassi, MDEndocrinology, Diabetes & Metabolism Physician1215025465
  3. Phillip Beck, M.D.Urology Physician1447276548
  4. James Boozer, MDInternal Medicine Physician1427046986
  5. Jay Chen, M.D.Specialist1053340778
  6. Tanya Dam, DOGastroenterology Physician1104105030

Verify Giang Ngoc Lam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A93687    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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5.9 times the Medicare Part D claims of the average family medicine physician in 2024

21,031 Medicare Part D claims for 864 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 1,366 claims were for opioids.

  1. Giang Lam21,031
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium1,291 claims
  2. Hydrocodone-Acetaminophen856 claims
  3. Levothyroxine Sodium676 claims
  4. Metformin Hcl614 claims
  5. Gabapentin606 claims
  6. Omeprazole583 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Shane Speirs MD PCModesto, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Giang Ngoc Lam among 17,133 family medicine physician records in California

Giang Ngoc Lam, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1998 · median 2005 among the 10,652 with a school on file
  • Record last updated2012 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

173 family medicine physician records list a practice address in Modesto

They are 173 of the 9,262 NPPES records with a practice address in Modesto, and 17,133 family medicine physician records in California.

All 17,133 in California → Every provider in Modesto → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Eunice Baluyot, MDModesto, CA 953501306828868
  2. Bradley Blankenship, M.D.Modesto, CA 953501619923810
  3. Robert Chin, M.D.Modesto, CA 953501508812314
  4. Juan Del Valle, MDModesto, CA 953501740262229
  5. Robert Forester, M.D.Modesto, CA 953501619904273
  6. Otashe Golden, M.D.Modesto, CA 953501508891797
  7. Richard Heck, M.D.Modesto, CA 953501821034000
  8. Lisa Hunt, D.O.Modesto, CA 953501467408674

Common questions

What is Giang Ngoc Lam, M.D.'s NPI number?

Giang Ngoc Lam, M.D.'s National Provider Identifier (NPI) is 1033198288, issued on Jan 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Giang Ngoc Lam, M.D. located?

The NPPES record lists a practice address at 1541 Florida Ave, Modesto, CA, 95350. Phone: (209) 577-3388. Providers update this record themselves, so call before visiting.

How can I verify Giang Ngoc Lam, M.D.'s license?

NPPES lists California license number A93687, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Giang Ngoc Lam, M.D. prescribe under Medicare Part D?

In 2024, Giang Ngoc Lam, M.D. had 21,031 Medicare Part D claims for 864 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.